Vacation rentals in Sunnyside

I want to make sure the blurb is accurate. There isn’t an officially incorporated city named Sunnyside in California that I can verify; Sunnyside may refer to a neighborhood or unincorporated area in various places, or to a Sunnyside in another state. Could you share the county or nearest city, or confirm the location? With that, I’ll draft a precise 2–3 sentence blurb for your vacation rental page. If you’d prefer, I can also provide a generic, sunny-California-themed blurb that doesn’t assume city status.